ZeroDay Findings
Sign inSign up

Vulnerabilities

Vulnerability · CVE-2019-13608

Citrix StoreFront Server XML External Entity (XXE) Processing Vulnerability

Published Aug 29, 2019 · catalog updated Jun 16, 2026 · Citrix StoreFront Server

Patch now

CVE-2019-13608 is in the CISA known-exploited catalog, due May 3, 2022. Confirm Citrix StoreFront Server against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Gaps on this record

  • No version range is stored. A customer cannot check an installed version against this record.
Severity
High7.5
Known exploitation
CISA KEV and VulnCheck KEV
EPSS
30.04%
Remediation
Remediation guidance
Affected products
cpe citrix/storefront server · vendor Citrix StoreFront Server

Citrix StoreFront Server contains an XML External Entity (XXE) processing vulnerability that may allow an unauthenticated attacker to retrieve potentially sensitive information.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe citrix/storefront serverversion unspecified
  • vendor Citrix StoreFront Serverversion unspecified

How to fix CVE-2019-13608

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2019-13608 is in the CISA known-exploited catalog, due May 3, 2022. Confirm Citrix StoreFront Server against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Which versions are affected?

Affected version ranges are not on this record. Apply updates per vendor instructions.

What should an analyst verify?

CWE-611: XML External Entity (XXE). EPSS 30.04%. The CISA KEV listing is the exploitation evidence. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Aug 29, 2019 · Catalog

    Detected

    Citrix StoreFront Server contains an XML External Entity (XXE) processing vulnerability that may allow an unauthenticated attacker to retrieve potentially sensitive information.

  2. Nov 3, 2021 · CISA KEV

    Known exploited

    Apply updates per vendor instructions.

  3. May 3, 2022 · CISA KEV

    Remediation due

    Apply updates per vendor instructions.

  4. Jun 16, 2026 · Catalog

    Updated

    Citrix StoreFront Server contains an XML External Entity (XXE) processing vulnerability that may allow an unauthenticated attacker to retrieve potentially sensitive information.

Sources

  • CISA KEVConfirmed exploitationCVE-2019-13608

    Citrix StoreFront Server contains an XML External Entity (XXE) processing vulnerability that may allow an unauthenticated attacker to retrieve potentially sensitive information.

    cisa.gov
  • CVE.orgVulnerability recordCVE-2019-13608

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2019-13608

    30-day exploitation probability 30.0%

    first.org
  • NIST NVDVulnerability recordCVE-2019-13608

    Citrix StoreFront Server before 1903, 7.15 LTSR before CU4 (3.12.4000), and 7.6 LTSR before CU8 (3.0.8000) allows XXE attacks.

    nvd.nist.gov
  • VulnCheck KEVConfirmed exploitationCVE-2019-13608

    Citrix StoreFront Server contains an XML External Entity (XXE) processing vulnerability that may allow an unauthenticated attacker to retrieve potentially sensitive information.

    vulncheck.com

References

Freshness

Last verified in this catalog Oct 17, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.